18-Night Cruise on Diamond PrincessGrand Circle Japan - Weather

Departing Yokohama, Japan on October 10, 2026, the Princess Cruises ship Diamond Princess runs this 18-night Grand Circle Japan sailing. It's a classic Asia cruise. Travelers sailing in October can generally expect cooler, off-season conditions. Ports of call include Yokohama, Japan, Akita, Japan, Toyama, Japan, with 12 more along the way. Scroll the daily outlook below to pack smart for every port of call.

1. Day 1 — Saturday, Oct 10, 2026 — Yokohama, Japan

   Yokohama, Japan is a scheduled port of call on day 1 of the 18-night Grand Circle Japan cruise on Diamond Princess. Expected weather: partially cloudy with highs near 73°F.

2. Day 2 — Monday, Oct 12, 2026 — Akita, Japan

   Akita, Japan is a scheduled port of call on day 2 of the 18-night Grand Circle Japan cruise on Diamond Princess. Expected weather: partially cloudy with highs near 67°F.

3. Day 3 — Tuesday, Oct 13, 2026 — Toyama, Japan

   Toyama, Japan is a scheduled port of call on day 3 of the 18-night Grand Circle Japan cruise on Diamond Princess. Expected weather: partially cloudy with highs near 61°F.

4. Day 4 — Wednesday, Oct 14, 2026 — Tsuruga, Japan

   Tsuruga, Japan is a scheduled port of call on day 4 of the 18-night Grand Circle Japan cruise on Diamond Princess. Expected weather: partially cloudy with highs near 70°F.

5. Day 5 — Thursday, Oct 15, 2026 — Sakaiminato, Japan

   Sakaiminato, Japan is a scheduled port of call on day 5 of the 18-night Grand Circle Japan cruise on Diamond Princess. Expected weather: partially cloudy with highs near 69°F.

6. Day 6 — Friday, Oct 16, 2026 — Busan, South Korea

   Busan, South Korea is a scheduled port of call on day 6 of the 18-night Grand Circle Japan cruise on Diamond Princess. Expected weather: partially cloudy with highs near 67°F.

7. Day 7 — Saturday, Oct 17, 2026 — Nagasaki, Japan

   Nagasaki, Japan is a scheduled port of call on day 7 of the 18-night Grand Circle Japan cruise on Diamond Princess. Expected weather: partially cloudy with highs near 76°F.

8. Day 8 — Monday, Oct 19, 2026 — Yokohama, Japan

   Yokohama, Japan is a scheduled port of call on day 8 of the 18-night Grand Circle Japan cruise on Diamond Princess. Expected weather: partially cloudy with highs near 69°F.

9. Day 9 — Wednesday, Oct 21, 2026 — Nagasaki, Japan

   Nagasaki, Japan is a scheduled port of call on day 9 of the 18-night Grand Circle Japan cruise on Diamond Princess. Expected weather: partially cloudy with highs near 74°F.

10. Day 10 — Thursday, Oct 22, 2026 — Busan, South Korea

    Busan, South Korea is a scheduled port of call on day 10 of the 18-night Grand Circle Japan cruise on Diamond Princess. Expected weather: partially cloudy with highs near 65°F.

11. Day 11 — Saturday, Oct 24, 2026 — Hiroshima, Japan

    Hiroshima, Japan is a scheduled port of call on day 11 of the 18-night Grand Circle Japan cruise on Diamond Princess. Expected weather: partially cloudy with highs near 72°F.

12. Day 12 — Sunday, Oct 25, 2026 — Aburatsu, Japan

    Aburatsu, Japan is a scheduled port of call on day 12 of the 18-night Grand Circle Japan cruise on Diamond Princess. Expected weather: partially cloudy with highs near 74°F.

13. Day 13 — Monday, Oct 26, 2026 — Tokushima, Japan

    Tokushima, Japan is a scheduled port of call on day 13 of the 18-night Grand Circle Japan cruise on Diamond Princess. Expected weather: partially cloudy with highs near 72°F.

14. Day 14 — Tuesday, Oct 27, 2026 — Shimizu, Japan

    Shimizu, Japan is a scheduled port of call on day 14 of the 18-night Grand Circle Japan cruise on Diamond Princess. Expected weather: partially cloudy with highs near 69°F.

15. Day 15 — Wednesday, Oct 28, 2026 — Yokohama, Japan

    Yokohama, Japan is a scheduled port of call on day 15 of the 18-night Grand Circle Japan cruise on Diamond Princess. Expected weather: partially cloudy with highs near 67°F.